When searching this index, click on the appropriate letter on the letter bar above. This
will take you to that section of the bibliography. Clicking on the letter
at the start of the section returns you to the letter bar. Every page has
a link back to the letter bar. This is marked 'return' and can be used
instead of the 'back' command on your web-browser, if you wish.

There was no prior print version of this section of the bibliography.
It was assembled by Rob Hansen from lists supplied by Greg Pickersgill and Mark Plummer.